This is a duplicate post over at C3000. BillP called the tech support and the solution worked well. "Billy, thanks for sharing this fix. I am surprised the tech support would share this info. Yes, i found the round disk with the screw in the middle. For the F7, this disk is directly behind the spring loaded flap, which is right in the middle of the machine when the tray is removed. Sure enough, the disk itself and the surrounding was very dirty. This is the first time we got repeating Ready/Clean message. Reach in and up like Billy mentioned above, and clean as much as you can, a small hand is much more useful. I also cleaned mine with a kid's toothbrush, one that hand a flexible handle. I bent the toothbrush into a Z shape, it reached in and up very well. After cleaning, i ran a Clean without tablet and the message gone away. Thanks again Billy."
First you need to be sure that the cleaning program is completed, if you cancel the program before it`s completed the machine will keep asking for cleaning. If you have tried to run the program several times and the alarm still lights up, then there`s a software problem. The only way to reset this is then to change the Main electronic board, that is very expencive and you should really concider to live with the alarm
Fortunately the problem you describe is not model specific. All Jura machines in the series C, E, F, J, S & Z models have the same problem. The Jura recommended maintenance is insufficient or erroneous. Here is how it occurs:
1- When new machine is set up, the instructions advice the owner to set up OK for use of Filter cartridges. This set helps only to display reminders for replacing the filter.
2- The initial set up instruction also advises that with regular use of Filter, descaling the machine will not be needed. That is really not accurate. Consequently, the reminders for descaling are delayed for over one year or more. This causes serious consequence with accumulation of Calcium deposits in the entire hydraulic and coffee system.
3- Use of Filters alone does not prevent Calcium deposits. Cleaning tables recommended & sold by Jura do not remove Calcium deposits in the coffee/water passages. The automatic descaling method recommended by Jura leaves the coffee side of the machine unclean. The error message in your machine is due to Calcium deposits in the Brew group, coffee outlet & the faucet dispensing coffee in the cup. I suggest all Jura machine owners should manually descale machine. Manually descaling includes use of 6 to 10 rinse cycles with descaling solution in the water tank. The error message "Clean Machine" is accurate. This error message is pointing to descale the Brew group, coffee outlet tube and coffee dispensing faucet by using rinse cycles.
After the rinse cycles are complete, refill Descaling solution in the water tank & continue descaling the rest of the machine by using hot water dispensing function, ½ cup at a time until the tank is empty. Finally, give a final flushing of machine to flush out remaining descaling solution inside the machine.
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